Wild Kratts"The Blue and the Gray"
Martin and Chris are absorbed in a hilarious competition to discover who is the best acorn planter, blue jays or gray squirrels, when a strange Creature Power Suit malfunction transforms Martin into an acorn and grows him into an Oak tree! Chris activates the squirrel powers of his Creature Power Suit, but gets waylaid by a bobcat and goshawk, and the Aviva, Koki, and Jimmy can't find them. It'll take some animal-loving Wild Kratts kids to get them out of this mess. D

Piano Guy
Host Scott Houston and guests show viewers how to play an original composition entitled "Seasons Of Love," the signature intro to "Satin Doll" and how to cover your mistakes when playing. Featured artists include David Tolley, Jack Widner, Bobby Floyd and Bradley Sowash. D

4:00 pm

Life On Fire"Icelandic Volcanoes"
In the wake of the 2010 eruption of Iceland's Eyjafjallajokull volcano that paralyzed one of the world's major air traffic networks for days, this film tries to understand which volcano could wake up next, how powerful the eruption could be, and what the consequences of a major eruption are likely to be. Part 1 of 6G

NOVA"Doomsday Volcanoes"
The eruption of Iceland's Eyjafjallajkull volcano in 2010 turned much of the northern hemisphere into an ash-strewn no-fly zone. But Eyjafjallajkull may be just the start. Katla, an Icelandic volcano 10 times bigger, has begun to swell and grumble.G

7:00 pm

Liquid Assets: The Story of Our Water Infrastructure
LIQUID ASSETS, a ninety-minute documentary, tells the story of essential infrastructure systems: water, wastewater, and stormwater. These systems - some in the ground for more than 100 years - provide a critical public health function and are essential for economic development and growth. Largely out of sight and out of mind, these aging systems have not been maintained, and some estimates suggest this is the single largest public works endeavor in our nation's history. D

8:30 pm

Body's Secret Army
The program introduces viewers to scientists, doctors, and patients who are united by their determination to unlock the immune system's mysteries, as well as to some of the Nobel Prize awarded pioneers whose discoveries opened the doors to today's advances.G

NOVA"Doomsday Volcanoes"
The eruption of Iceland's Eyjafjallajkull volcano in 2010 turned much of the northern hemisphere into an ash-strewn no-fly zone. But Eyjafjallajkull may be just the start. Katla, an Icelandic volcano 10 times bigger, has begun to swell and grumble.G

11:00 pm

Liquid Assets: The Story of Our Water Infrastructure
LIQUID ASSETS, a ninety-minute documentary, tells the story of essential infrastructure systems: water, wastewater, and stormwater. These systems - some in the ground for more than 100 years - provide a critical public health function and are essential for economic development and growth. Largely out of sight and out of mind, these aging systems have not been maintained, and some estimates suggest this is the single largest public works endeavor in our nation's history. D